macOS Tahoe 26.4: Arbitrary File Access CVE-2026-28910
CVE-2026-28910 Published on May 11, 2026
This issue was addressed with improved permissions checking. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to access arbitrary files.
Vulnerability Analysis
CVE-2026-28910 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-28910 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-28910
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Affected Versions
Apple macOS:- Before 26.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.